forked from https://github.com/symfony/symfony
396bdcc08b
This PR was merged into the 4.4 branch.
Discussion
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[HttpKernel] Keep max lifetime also when part of the responses don't set it
| Q | A
| ------------- | ---
| Branch? | 4.4
| Bug fix? | yes
| New feature? | no
| Deprecations? | no
| Tickets |
| License | MIT
| Doc PR |
https://datatracker.ietf.org/doc/html/rfc7234#section-4.2.2 allows caches to assign a "heuristic expiration time" for responses that have no explicit expiration time set, but are explicitly marked as being cacheable by `public`. We can say that such responses are "more liberal" in what is allowed than a response with an explicit `max-age` or `s-maxage` header.
When merging responses in `ResponseCacheStrategy`, such `public` responses without explicit expiration time should not cause the `max-age` or `s-maxage` values being dropped on the final response. The most restrictive settings from all responses involved should be used, and any given expiration time is more strict than not setting one when being `public`.
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| CHANGELOG-4.0.md | ||
| CHANGELOG-4.1.md | ||
| CHANGELOG-4.2.md | ||
| CHANGELOG-4.3.md | ||
| CHANGELOG-4.4.md | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| CONTRIBUTORS.md | ||
| LICENSE | ||
| README.md | ||
| UPGRADE-4.0.md | ||
| UPGRADE-4.1.md | ||
| UPGRADE-4.2.md | ||
| UPGRADE-4.3.md | ||
| UPGRADE-4.4.md | ||
| UPGRADE-5.0.md | ||
| composer.json | ||
| link | ||
| phpunit | ||
| phpunit.xml.dist | ||
| psalm.xml | ||
README.md
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